subversion: malicious SVN clients can crash mod_dav_svn
Published Feb 5, 2019
7.5
HIGHCVSS 3.1
EPSS 58.45%
Description
Subversion's mod_dav_svn Apache HTTPD module versions 1.11.0 and 1.10.0 to 1.10.3 will crash after dereferencing an uninitialized pointer if the client omits the root path in a recursive directory listing operation.
Affected products
-
- Version Apache Subversion 1.11.0, 1.10.0 to 1.10.3StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Subversion | n/a |
|
Configuration 1
- ≥ 1.10.0 · ≤ 1.10.3
- 1.11.0
Configuration 2
- 18.10
No data.
Red Hat Ansible Tower 3
subversion
Not affected
Red Hat Enterprise Linux 5
subversion
Not affected
Red Hat Enterprise Linux 6
subversion
Not affected
Red Hat Enterprise Linux 7
subversion
Not affected
Red Hat Enterprise Linux 8
subversion
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Ansible Tower 3 | subversion | Not affected | n/a |
| Red Hat Enterprise Linux 5 | subversion | Not affected | n/a |
| Red Hat Enterprise Linux 6 | subversion | Not affected | n/a |
| Red Hat Enterprise Linux 7 | subversion | Not affected | n/a |
| Red Hat Enterprise Linux 8 | subversion | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of subversion as shipped with Red Hat Enterprise Linux 5, 6, and 7. This issue does not affect any Ansible Tower supported versions: 3.2, 3.3 or 3.4, as their system jobs don't use mod_dav_svn module.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (29 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 58.45% (0.58452) | 99.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 57.82% (0.57822) | 98.96th | v5 (v2026.06.15) |
| May 27, 2026 | 6.57% (0.06566) | 91.26th | v4 (v2025.03.14) |
| Apr 26, 2026 | 10.84% (0.10842) | 93.40th | v4 (v2025.03.14) |
| Mar 21, 2026 | 14.36% (0.14361) | 94.34th | v4 (v2025.03.14) |
| Mar 5, 2026 | 3.98% (0.03975) | 88.18th | v4 (v2025.03.14) |
| Nov 21, 2025 | 0.81% (0.00814) | 73.54th | v4 (v2025.03.14) |
| Nov 18, 2025 | 24.44% (0.24435) | 95.76th | v4 (v2025.03.14) |
| Aug 20, 2025 | 0.70% (0.00696) | 70.97th | v4 (v2025.03.14) |
| Jun 19, 2025 | 4.58% (0.04578) | 88.71th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.84% (0.01842) | 81.79th | v4 (v2025.03.14) |
| Nov 20, 2024 | 3.40% (0.03397) | 91.72th | v3 (v2023.03.01) |
| Sep 11, 2024 | 4.73% (0.04734) | 92.84th | v3 (v2023.03.01) |
| Jun 15, 2024 | 5.86% (0.05857) | 93.44th | v3 (v2023.03.01) |
| Feb 21, 2024 | 7.03% (0.07032) | 93.74th | v3 (v2023.03.01) |
| Jan 30, 2024 | 9.76% (0.09757) | 94.28th | v3 (v2023.03.01) |
| Nov 8, 2023 | 11.54% (0.11543) | 94.67th | v3 (v2023.03.01) |
| Jul 8, 2023 | 11.47% (0.11473) | 94.45th | v3 (v2023.03.01) |
| Jul 4, 2023 | 15.02% (0.15022) | 95.05th | v3 (v2023.03.01) |
| May 8, 2023 | 15.64% (0.15643) | 95.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 11.97% (0.11972) | 94.40th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.25% (0.01246) | 67.45th | v2 (v2022.01.01) |
| Dec 23, 2022 | 1.25% (0.01246) | 67.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.25% (0.01246) | 65.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.25% (0.01246) | 41.07th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.06% (0.03065) | 65.11th | v1 |
| Jan 6, 2022 | 3.06% (0.03065) | 64.78th | v1 |
| Sep 1, 2021 | 3.06% (0.03065) | 81.10th | v1 |
| Apr 14, 2021 | 3.06% (0.03065) | 0.00th | v1 |
References (8)
- http://www.securityfocus.com/bid/106770 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-11803 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1668807 Issue Tracking
- https://lists.apache.org/thread.html/fa71074862373c142d264534385f8ea5d8d6b80d27f36f3c46f55003%40%3Cdev.subversion.apache.org%3E x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2018-11803
- https://security.gentoo.org/glsa/201904-08 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/3869-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-11803
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/106770 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-11803 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1668807 | Issue Tracking | |
| https://lists.apache.org/thread.html/fa71074862373c142d264534385f8ea5d8d6b80d27f36f3c46f55003%40%3Cdev.subversion.apache.org%3E | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-11803 | ||
| https://security.gentoo.org/glsa/201904-08 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://usn.ubuntu.com/3869-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-11803 |
Change history (0)
No recorded changes yet.